There have been a few threads around lately with guys looking for a factory diesel tach for their 83-86 slant nose IDI's. A good friend of mine has been searching for one, and I came across an odd ball 0- 4,000 rpm tach in a 1980 F700 with either a 370 or 429 gas V8 engine. I did a little reading and found out many of these larger trucks had 4,000 or 4,500 rpm tachometers in them. I guess some of the 300 I-6 owners have been seeking them out since they rarely rev above 3,500. My question is will this tach work and read correctly in an IDI? Has anyone ever tried one in their truck? I am a little ignorant about the signal from our IP gear magnetic pick up vs. the signal from a distributer. Just curious if anyone has made one of these work. Tach unit says EOTF-17360-Y and the gauge face says EOTF-17B316-B.
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